INTRODUCTION TO MICROPEOCESSOR
MICROCOMPUTER SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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This is an 8279 pin configuration input line that connects to either the write strobe signal that is developed with external logic.
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Read
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Reset
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Shift
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Write
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Explanation:
Detailed explanation-1: -Scanned Sensor Matrix: In this mode, a sensor array can be interfaced with 8279 using either encoder or decoder scans. With encoder scan 8 x 8 sensor matrix or with decoder scan 4 x 8 sensor matrix can be interfaced.
Detailed explanation-2: -CS(CHIP SELECT) When this pin is low MP will write data or control words into the 8279. A0-When it is high it indicates the transfer of a command or status info.
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